VulnCrest
Search
Create account
Report an incident
Radar sectionsDatabase
Check my site
WordPress plugin

Nextend Social Login and Register <= 1.5.0 — Cross-Site Scripting

CVE-2014-8800Published · Updated

Action summary

Affected: <1.5.1Update to 1.5.1 or newer

All remediation steps
Watch plugin
Severity
High7.1
CVSS
7.1
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:R User interaction
Required
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:L Availability
Low
Weakness
CWE-79 Cross-Site Scripting
Required access
No account needed
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Nextend Social Login and Register nextend-facebook-connect

  1. Affected< 1.5.1
  2. Patched in1.5.1

Update to 1.5.1 or newer.

You are affected if you run < 1.5.1. Version 1.5.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Nextend Social Login and Register.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 1.5.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Nextend Social Login and Register to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Kacper Szurek.

Cross-site scripting (XSS) vulnerability in nextend-facebook-settings.php in the Nextend Facebook Connect plugin before 1.5.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the fb_login_button parameter in a newfb_update_options action.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Nextend Social Login and Register

All 6
More vulnerabilities in Nextend Social Login and Register
SeverityVulnerabilityCVEPublished
Medium4.3Cross-Site Request Forgery to Unlink User Social Login
≤3.1.21Update to 3.1.22
CVE-2025-13737
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.1.19Update to 3.1.20
CVE-2025-58031
Medium5.4Reflected Self-Based Cross-Site Scripting via error_description
≤3.1.12Update to 3.1.13
CVE-2024-1775
High8.8Cross-Site Request Forgery
≤1.5.8Update to 1.5.9
—
Medium6.1Reflected Cross-Site Scripting
<1.5.6Update to 1.5.6
CVE-2015-4413

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 7.1

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

How we use these sources

Search VulnCrest Radar

Jump to

Are you sure?